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Re: Compiler crash with block numbers

Hi, Ian,

This patch fixed the bootstrap problem, as well as the problem posted

However, the libstdc++ problem is not fixed, they are related to the
my line_table implementation for PCH. I'll send another patch later
for that.

Shall I still check in this patch to fix the bootstrap problem?


On Fri, Sep 21, 2012 at 4:30 AM, Dehao Chen <> wrote:
> IS_UNKNOWN_LOCATION checks if the source location is unknown.
> == UNKNONW_LOCATION checks if source location is unknown and the block is NULL.
> Yes, they are error-prone, I'll have a separate patch to clean up
> On Fri, Sep 21, 2012 at 4:17 AM, Ian Lance Taylor <> wrote:
>> On Thu, Sep 20, 2012 at 12:59 PM, Dehao Chen <> wrote:
>>> gcc/ChangeLog:
>>>         tree-eh.c (lower_try_finally_dup_block): Use correct way to
>>> check unknown location.
>> While you think about my questions, let's fix the bootstrap.  This
>> patch is OK if it passes bootstrap and a gcc and libstdc++ testsuite
>> run.
> Okay, I'll check it in if the tests are passed.
> Thanks,
> Dehao
>> If it does fix the problem in , then please add
>>     PR rtl-optimization/54645
>> to the ChangeLog entry
>> Thanks for the quick turnaround.
>> Ian

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